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/*-
* Copyright (c) 2008 David E. O'Brien
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_compat.h"
#include <sys/param.h>
#include <sys/cdio.h>
#include <sys/fcntl.h>
#include <sys/filio.h>
#include <sys/file.h>
#include <sys/ioccom.h>
#include <sys/mdioctl.h>
#include <sys/proc.h>
#include <sys/syscall.h>
#include <sys/syscallsubr.h>
#include <sys/sysctl.h>
#include <sys/sysent.h>
#include <sys/sysproto.h>
#include <sys/systm.h>
#include <compat/freebsd32/freebsd32.h>
#include <compat/freebsd32/freebsd32_ioctl.h>
#include <compat/freebsd32/freebsd32_proto.h>
/* Cannot get exact size in 64-bit due to alignment issue of entire struct. */
CTASSERT((sizeof(struct md_ioctl32)+4) == 436);
CTASSERT(sizeof(struct ioc_read_toc_entry32) == 8);
CTASSERT(sizeof(struct ioc_toc_header32) == 4);
static int
freebsd32_ioctl_md(struct thread *td, struct freebsd32_ioctl_args *uap,
struct file *fp)
{
struct md_ioctl mdv;
struct md_ioctl32 md32;
u_long com = 0;
int error;
if (uap->data == NULL)
panic("%s: where is my ioctl data??", __func__);
if (uap->com & IOC_IN) {
if ((error = copyin(uap->data, &md32, sizeof(md32)))) {
fdrop(fp, td);
return (error);
}
CP(md32, mdv, md_version);
CP(md32, mdv, md_unit);
CP(md32, mdv, md_type);
PTRIN_CP(md32, mdv, md_file);
CP(md32, mdv, md_mediasize);
CP(md32, mdv, md_sectorsize);
CP(md32, mdv, md_options);
CP(md32, mdv, md_base);
CP(md32, mdv, md_fwheads);
CP(md32, mdv, md_fwsectors);
} else if (uap->com & IOC_OUT) {
/*
* Zero the buffer so the user always
* gets back something deterministic.
*/
bzero(&mdv, sizeof mdv);
}
switch (uap->com) {
case MDIOCATTACH_32:
com = MDIOCATTACH;
break;
case MDIOCDETACH_32:
com = MDIOCDETACH;
break;
case MDIOCQUERY_32:
com = MDIOCQUERY;
break;
case MDIOCLIST_32:
com = MDIOCLIST;
break;
default:
panic("%s: unknown MDIOC %#x", __func__, uap->com);
}
error = fo_ioctl(fp, com, (caddr_t)&mdv, td->td_ucred, td);
if (error == 0 && (com & IOC_OUT)) {
CP(mdv, md32, md_version);
CP(mdv, md32, md_unit);
CP(mdv, md32, md_type);
PTROUT_CP(mdv, md32, md_file);
CP(mdv, md32, md_mediasize);
CP(mdv, md32, md_sectorsize);
CP(mdv, md32, md_options);
CP(mdv, md32, md_base);
CP(mdv, md32, md_fwheads);
CP(mdv, md32, md_fwsectors);
error = copyout(&md32, uap->data, sizeof(md32));
}
fdrop(fp, td);
return error;
}
static int
freebsd32_ioctl_ioc_toc_header(struct thread *td,
struct freebsd32_ioctl_args *uap, struct file *fp)
{
struct ioc_toc_header toch;
struct ioc_toc_header32 toch32;
int error;
if (uap->data == NULL)
panic("%s: where is my ioctl data??", __func__);
if ((error = copyin(uap->data, &toch32, sizeof(toch32))))
return (error);
CP(toch32, toch, len);
CP(toch32, toch, starting_track);
CP(toch32, toch, ending_track);
error = fo_ioctl(fp, CDIOREADTOCHEADER, (caddr_t)&toch,
td->td_ucred, td);
fdrop(fp, td);
return (error);
}
static int
freebsd32_ioctl_ioc_read_toc(struct thread *td,
struct freebsd32_ioctl_args *uap, struct file *fp)
{
struct ioc_read_toc_entry toce;
struct ioc_read_toc_entry32 toce32;
int error;
if (uap->data == NULL)
panic("%s: where is my ioctl data??", __func__);
if ((error = copyin(uap->data, &toce32, sizeof(toce32))))
return (error);
CP(toce32, toce, address_format);
CP(toce32, toce, starting_track);
CP(toce32, toce, data_len);
PTRIN_CP(toce32, toce, data);
if ((error = fo_ioctl(fp, CDIOREADTOCENTRYS, (caddr_t)&toce,
td->td_ucred, td))) {
CP(toce, toce32, address_format);
CP(toce, toce32, starting_track);
CP(toce, toce32, data_len);
PTROUT_CP(toce, toce32, data);
error = copyout(&toce32, uap->data, sizeof(toce32));
}
fdrop(fp, td);
return error;
}
static int
freebsd32_ioctl_fiodgname(struct thread *td,
struct freebsd32_ioctl_args *uap, struct file *fp)
{
struct fiodgname_arg fgn;
struct fiodgname_arg32 fgn32;
int error;
if ((error = copyin(uap->data, &fgn32, sizeof fgn32)) != 0)
return (error);
CP(fgn32, fgn, len);
PTRIN_CP(fgn32, fgn, buf);
error = fo_ioctl(fp, FIODGNAME, (caddr_t)&fgn, td->td_ucred, td);
fdrop(fp, td);
return (error);
}
int
freebsd32_ioctl(struct thread *td, struct freebsd32_ioctl_args *uap)
{
struct ioctl_args ap /*{
int fd;
u_long com;
caddr_t data;
}*/ ;
struct file *fp;
int error;
if ((error = fget(td, uap->fd, &fp)) != 0)
return (error);
if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
fdrop(fp, td);
return (EBADF);
}
switch (uap->com) {
case MDIOCATTACH_32: /* FALLTHROUGH */
case MDIOCDETACH_32: /* FALLTHROUGH */
case MDIOCQUERY_32: /* FALLTHROUGH */
case MDIOCLIST_32:
return freebsd32_ioctl_md(td, uap, fp);
case CDIOREADTOCENTRYS_32:
return freebsd32_ioctl_ioc_read_toc(td, uap, fp);
case CDIOREADTOCHEADER_32:
return freebsd32_ioctl_ioc_toc_header(td, uap, fp);
case FIODGNAME_32:
return freebsd32_ioctl_fiodgname(td, uap, fp);
default:
fdrop(fp, td);
ap.fd = uap->fd;
ap.com = uap->com;
PTRIN_CP(*uap, ap, data);
return ioctl(td, &ap);
}
}
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